KICKER 10" 250W COMP SUBWOOFER 10" 4-ohm subwoofer with polymineral cone with double-stitched foam surround and high-strength steel basket Power handling: 50-150 watts RMS, 300 Watts peak power Spring-Loaded Nickel Plated Terminals Two-Piece Vented Hyper-Extended Blackened Pole Piece and Backplate Marine-ready - good for boat and marine applications